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  3. ARVs haven’t been used widely to prevent HIV transmission or infection for lack of money. According to Ramjee, the combination

ARVs haven’t been used widely to prevent HIV transmission or infection for lack of money. According to Ramjee, the combination

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问题 ARVs haven’t been used widely to prevent HIV transmission or infection for lack of money.
According to Ramjee, the combination of ______ is possibly the most effective in preventing HIV virus from transmitting during intercourse.
选项
答案microbicides and ARVs
解析 本题应锁定文章第六段。该段最后两句提到：At best，microbicides may be 80%effective in preventing the transmission of the virus during intercourse．To improve the chances that the virus doesn’t slip by，however，there is always the possibility of combining the ARVs…。由此可知，防止HIV病毒传播的最有效方式是将microbicides和ARVs结合使用，故本题应填入microbicides and ARVs。
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